New patch to review for coreboot: nb/intel/sandybridge/raminit: die in toplevel function

[Patrick Rudolph]

Patrick Rudolph ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14171

-gerrit

commit 4e0ac74c0ac7fe9f3d080f124d781e80f039fa74
Author: Patrick Rudolph 
Date:   Sat Mar 26 12:22:34 2016 +0100

nb/intel/sandybridge/raminit: die in toplevel function

In error case die in top level function.
    No functionality is changed.

Change-Id: Ie15b01184d40bdbce20d49dcab2f9fb607068c7a
    Signed-off-by: Patrick Rudolph 
---
 src/northbridge/intel/sandybridge/raminit.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c
index cf096a2..48ec5b5 100644
--- a/src/northbridge/intel/sandybridge/raminit.c
+++ b/src/northbridge/intel/sandybridge/raminit.c
@@ -1902,7 +1902,6 @@ static int discover_402x(ramctr_timing *ctrl, int channel, int slotrank,
    		if (ctrl->timings[channel][slotrank].val_4024 < 2) {
    			printk(BIOS_EMERG, "402x discovery failed (1): %d, %d\n",
    			       channel, slotrank);
-				halt();
    			return MAKE_ERR;
    		}
    		ctrl->timings[channel][slotrank].val_4024 -= 2;
@@ -1914,7 +1913,6 @@ static int discover_402x(ramctr_timing *ctrl, int channel, int slotrank,
    	if (ctrl->timings[channel][slotrank].val_4028 >= 0x10) {
    		printk(BIOS_EMERG, "402x discovery failed (2): %d, %d\n",
    		       channel, slotrank);
-			halt();
    		return MAKE_ERR;
    	}
    	FOR_ALL_LANES if (works[lane]) {
@@ -2222,7 +2220,6 @@ static int discover_timC(ramctr_timing *ctrl, int channel, int slotrank)
    	if (rn.all) {
    		printk(BIOS_EMERG, "timC discovery failed: %d, %d, %d\n",
    		       channel, slotrank, lane);
-			halt();
    		return MAKE_ERR;
    	}
    	printram("Cval: %d, %d, %d: %x\n", channel, slotrank,
@@ -2468,7 +2465,6 @@ static int discover_timB(ramctr_timing *ctrl, int channel, int slotrank)
    	if (rn.all) {
    		printk(BIOS_EMERG, "timB discovery failed: %d, %d, %d\n",
    		       channel, slotrank, lane);
-			halt();
    		return MAKE_ERR;
    	}
    	printram("Bval: %d, %d, %d: %x\n", channel, slotrank,
@@ -3000,7 +2996,6 @@ static int command_training(ramctr_timing *ctrl)
    	err = try_cmd_stretch(ctrl, 2);
    	if (err) {
    		printk(BIOS_EMERG, "c320c discovery failed\n");
-			halt();
    		return err;
    	}
    }
@@ -3089,7 +3084,6 @@ static int discover_edges_real(ramctr_timing *ctrl, int channel, int slotrank,
    	if (rn.all) {
    		printk(BIOS_EMERG, "edge discovery failed: %d, %d, %d\n",
    		       channel, slotrank, lane);
-			halt();
    		return MAKE_ERR;
    	}
    	printram("eval %d, %d, %d: %02x\n", channel, slotrank,
@@ -3409,7 +3403,6 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel,
    			if (rn.all || (lower[lane] > upper[lane])) {
    				printk(BIOS_EMERG, "edge write discovery failed: %d, %d, %d\n",
    				       channel, slotrank, lane);
-					halt();
    				return MAKE_ERR;
    			}
    		}
@@ -3575,7 +3568,6 @@ static int discover_timC_write(ramctr_timing *ctrl)
    					if (rn.all) {
    						printk(BIOS_EMERG, "timC write discovery failed: %d, %d, %d\n",
    						       channel, slotrank, lane);
-							halt();
    						return MAKE_ERR;
    					}
    					printram("timC: %d, %d, %d: 0x%02x-0x%02x-0x%02x, 0x%02x-0x%02x\n",
@@ -3662,7 +3654,6 @@ static int channel_test(ramctr_timing *ctrl)
    	if (read32(DEFAULT_MCHBAR + 0x42a0 + (channel << 10)) & 0xa000) {
    		printk(BIOS_EMERG, "Mini channel test failed (1): %d\n",
    		       channel);
-			halt();
    		return MAKE_ERR;
    	}
    FOR_ALL_POPULATED_CHANNELS {
@@ -3709,7 +3700,6 @@ static int channel_test(ramctr_timing *ctrl)
    		if (read32(DEFAULT_MCHBAR + 0x4340 + (channel << 10) + 4 * lane)) {
    			printk(BIOS_EMERG, "Mini channel test failed (2): %d, %d, %d\n",
    			       channel, slotrank, lane);
-				halt();
    			return MAKE_ERR;
    		}
    }
@@ -4148,6 +4138,7 @@ void init_dram_ddr3(spd_raw_data *spds, int mobile, int min_tck,
    int me_uma_size;
    int cbmem_was_inited;
    ramctr_timing ctrl;
+	int err;

MCHBAR32(0x5f00) |= 1;

@@ -4201,7 +4192,9 @@ void init_dram_ddr3(spd_raw_data *spds, int mobile, int min_tck,
    	dram_find_spds_ddr3(spds, &ctrl);
    }

-	try_init_dram_ddr3(&ctrl, s3resume, me_uma_size);
+	err = try_init_dram_ddr3(&ctrl, s3resume, me_uma_size);
+	if (err)
+		die("raminit failed");

/* FIXME: should be hardware revision-dependent.  */
    write32(DEFAULT_MCHBAR + 0x5024, 0x00a030ce);